DP Biology (first assessment 2025)

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Question SPM.1B.SL.TZ0.2a

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Date May Specimen-2023 Marks available [Maximum mark: 3] Reference code SPM.1B.SL.TZ0.2a
Level SL Paper 1B Time zone TZ0
Command term Draw Question number a Adapted from N/A
a.
[Maximum mark: 3]
SPM.1B.SL.TZ0.2a
(a)

Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this transverse section of a leaf.

[3]

Markscheme
  1.  palisade mesophyll;
  2.  spongy mesophyll;
  3.  lower epidermis;
  4.  upper epidermis;
  5.  xylem/phloem/vascular bundle;

1 mark for each correctly labelled tissue shown as a layer in proportion.

Syllabus sections